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Radio /hack 

A Division ot Tandy Corporanon 
Fori Worth, TX 7G102 



Radio /haek 



Cat. No. 62-5010 



Engineer's 
Mini-Notebook 



555 Timer 
IC Circuits 






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Forrest M. Minis III 



555/55fe PIN OUTLIMES 



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10 TO 15 Hi A 

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I VALUES S^^oWM APPLY w£55Sp 





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ABBREVIATIONS 



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F = FARAD 

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P = POWER 



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